.net{
    width: 530px;
    height: 500px;
    margin: auto;
}

.net img{
    width: 100%;
}

.change-code{
    font-size: 12px;
    display: block;
    color: black!important;
    height: 34px;
    line-height: 34px;
}

.video-box{
    width: 600px;
    margin: 10px auto;
}

.shop{
    width: 100%;
}

.shop img{
    width: 100%;
}

.shop p{
    text-align: center;
    font-size: 16px;
    color: red;
    font-weight: bold;
}